4661520550 has 24 divisors (see below), whose sum is σ = 8683040232. Its totient is φ = 1861896000.

The previous prime is 4661520529. The next prime is 4661520559. The reversal of 4661520550 is 550251664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4661520559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32911 + ... + 102010.

It is an arithmetic number, because the mean of its divisors is an integer number (361793343).

Almost surely, 2^4661520550 is an apocalyptic number.

4661520550 is a deficient number, since it is larger than the sum of its proper divisors (4021519682).

4661520550 is a wasteful number, since it uses less digits than its factorization.

4661520550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135624 (or 135619 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 4661520550 is about 68275.3289995735. The cubic root of 4661520550 is about 1670.4848234390.

The spelling of 4661520550 in words is "four billion, six hundred sixty-one million, five hundred twenty thousand, five hundred fifty".